One of the ways in which the Task Parallel Library achieves good performance is through “work-stealing”. Work-stealing is supported in the .NET 4 ThreadPool for access through the Task Parallel Library and its default scheduler. This manifests as every thread in the ThreadPool having its own queue for work; when that thread ...
In many data-parallel scenarios, all of the data to be processed is available immediately. This blog post addresses the opposite scenario: the inputs arrive gradually (as if in a stream), and we want to start producing results even before reading the last element of the input sequence. There is a variety of scenarios in which inputs become ava...
Here is an example of end to end scenario of the last blog VS2010 Beta1 Web Application Project Database package and SMO options. Here, we’re going to package a web application and its database with “Delete existing objects before creating” flag, so that we can test the deploy multiple times without the need to drop the database each time a...
The new installment of the “CLR Inside Out” column in MSDN magazine is now available on line. This month we have an article from Matt Ellis on Building Tuple. It provides one example of how a new type makes it into the base class libraries. You can find a list of all “CLR Inside Out” articles here. As ...
Tip#66: Did you know... how to insert quotes values automatically while typing the attrib values?Tip #67: Did you know the list of ASP.Net MVC shortcuts?Tip #68 Did you know… How simple it is to attach an existing style sheet to your web page?Tip #69: Did you know…The keyboard shortcut for View in Browser?Tip #70: Did you know&hell...
More and more, developers are realizing the significant scalability advantages that asynchronous programming can provide, especially as it relates to I/O. Consider an application that needs to copy data from one stream to another stream, such as is being done in the following synchronous implementation: static void CopyStreamToStream(Stream input...
In Visual Studio 2010 Beta1 release, SQL server database schema and data can be packaged for deployment along with the website. It utilizes Msdeploy SQL Database provider functionality in IIS team’s msdeploy release. In Visual studio 2010 Beta1, user can set the database package options in web application project’s Deploy-SQL property...
In concurrent programs, race conditions are a fact of life but they aren’t all bad. Sometimes, race conditions are benign, as is often the case with lazy initialization. The problem with racing to set a value, however, is that it can result in multiple objects being instantiated when only one is needed. Take the LazyInitializer ...
In a previous post, it was demonstrated how for loops with very small loop bodies could be parallelized by creating an iterator over ranges, and then using Parallel.ForEach over those ranges. A similar technique can be used to write parallel loops over iteration spaces of non-integers. For example, let’s say I wanted to paralleliz...
If you’re migrating a VS project over to VS 2010 Beta1 and you are calling code that is passing Evidence objects to the runtime expecting security policy resolution, or if you’re using a permission Deny, you may run into the following exception: NotSupportedException: This method uses CAS policy, which has been obsoleted by the .NET Framework. In o...
